head to head · open source
ECC vs khazix-skills
ECC has 268,503 GitHub stars, 40,115 forks, 229 open issues and last shipped today. khazix-skills has 20,962 stars, 2,216 forks, 49 open issues and last shipped 3 days ago. ECC leads on adoption by 1,181% (268,503 vs 20,962 stars). ECC is written in JavaScript under MIT; khazix-skills is written in Python under MIT. ECC has attracted 15% as many forks as stars, khazix-skills 11%. ECC was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 5 topic tags (ai-agents, claude, claude-code, developer-tools), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 20902 open source comparisons
Side by side
| ECC | khazix-skills | |
|---|---|---|
| GitHub stars | ★ 269K | ★ 21K |
| License | MIT | MIT |
| Written in | JavaScript | Python |
| Last push | 2026-09-28 | 2026-09-25 |
| Forks | ⑂ 40K | ⑂ 2.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 269K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick khazix-skills if
- You want the khazix-skills feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and khazix-skills fits your workflow better
About ECC
ECC is an MIT licensed open source agent harness performance optimization system that gives AI coding agents a coordinated engineering workflow — plan, test, implement, review, verify, remember, improve — for developers working in Claude Code, Codex, OpenCode, Cursor, and other harnesses.
About khazix-skills
Khazix Skills is an MIT licensed collection of six open source AI Skills published by the Chinese AI creator 数字生命卡兹克, aimed at developers and vibe coders who want Claude Code, Codex, Cursor and other Agent Skills compatible agents to handle everyday jobs such as defining long running goals, clearing disk space, researching a product and drafting long articles.
read the full khazix-skills overview →
More in Developer Tools
Related comparisons
More Frameworks & Platforms projects
Compare either of these against the rest of the Frameworks & Platforms field.
Frequently asked questions
Is ECC or khazix-skills more popular?
ECC has 268,503 GitHub stars and khazix-skills has 20,962. ECC has the larger community by that measure.
Are ECC and khazix-skills free?
Both are open source. ECC is licensed under MIT and khazix-skills under MIT. Neither carries a licence fee.
What is the difference between ECC and khazix-skills?
ECC is written in JavaScript and khazix-skills in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, ECC or khazix-skills?
Choose ECC if you want the larger community (268,503 stars) or its MIT licence terms. Choose khazix-skills if its feature set, stack or MIT licence fits better. Both are self-hostable.